Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 25s! [syz-executor.0:20943] Modules linked in: irq event stamp: 2791025 hardirqs last enabled at (2791024): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2791025): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2743994): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2744001): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 20943 Comm: syz-executor.0 Not tainted 6.12.0-next-20241127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 76 18 a9 fc 48 89 ef e8 4e 8b a9 fc 80 e7 02 74 06 e8 54 ea d2 fc fb 65 ff 0d 44 8c 7c 7b <74> 07 5b 5d e9 93 1e 00 00 0f 1f 44 00 00 5b 5d e9 87 1e 00 00 0f RSP: 0018:ffff88806ce09ca8 EFLAGS: 00000202 RAX: 00000000002a965a RBX: 0000000000000246 RCX: 1ffffffff0fdfeb6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84871a7c RBP: ffffffff85d01a00 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 00000000000c3a14 R12: 0000000000000000 R13: 0000000000000246 R14: 0000000000000000 R15: ffff88803a44b640 FS: 00007f344275b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555560489c58 CR3: 00000000393a6000 CR4: 0000000000350ef0 Call Trace: delete_object_full+0x46/0x70 kmem_cache_free+0x2ae/0x470 kfree_skbmem+0x18a/0x1f0 consume_skb+0xdd/0x160 ieee80211_tx_status_ext+0x216b/0x27e0 ieee80211_tx_status_skb+0x133/0x2d0 ieee80211_handle_queued_frames+0xf7/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unwind_next_frame+0xa60/0x2490 Code: 00 e9 e6 f6 ff ff 49 8d 76 f8 ba 08 00 00 00 4c 89 ff 4c 89 44 24 20 48 89 4c 24 18 48 89 74 24 10 e8 c4 f3 ff ff 4d 8d 4f 40 <84> c0 0f 84 9e f8 ff ff 48 8b 74 24 10 48 89 f7 e8 ab eb ff ff 48 RSP: 0018:ffff88803f7ef5b8 EFLAGS: 00000286 RAX: ffff88803f7f0001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff88803f7ef901 RSI: ffff88803f7ef970 RDI: ffff88803f7ef638 RBP: ffff88803f7ef680 R08: ffffffff8683d65e R09: ffff88803f7ef668 R10: 000000000003c001 R11: 0000000000023ce9 R12: ffff88803f7ef688 R13: ffff88803f7ef670 R14: ffff88803f7ef978 R15: ffff88803f7ef628 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kfree+0x132/0x480 __free_slab+0x10d/0x130 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 taskstats_exit+0x674/0xba0 do_exit+0x83f/0x2a40 do_group_exit+0xd3/0x2a0 get_signal+0x2240/0x2320 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f34451e5b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f344275b218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f34452f8f68 RCX: 00007f34451e5b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f34452f8f68 RBP: 00007f34452f8f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34452f8f6c R13: 00007ffee0b3f58f R14: 00007f344275b300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 107 Comm: kworker/u10:3 Not tainted 6.12.0-next-20241127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:kasan_check_range+0x161/0x1b0 Code: 49 8d 04 2c 48 85 d2 75 b0 48 89 da 48 29 c2 e9 4c ff ff ff 48 85 d2 74 b6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 a8 80 38 00 <74> f2 e9 77 ff ff ff b8 01 00 00 00 e9 1e 4b fb 02 48 29 c3 48 89 RSP: 0018:ffff88800a497ba8 EFLAGS: 00000046 RAX: fffffbfff0c7f3d2 RBX: fffffbfff0c7f3d3 RCX: ffffffff815a03dd RDX: fffffbfff0c7f3d3 RSI: 0000000000000008 RDI: ffffffff863f9e90 RBP: fffffbfff0c7f3d2 R08: 0000000000000000 R09: fffffbfff0c7f3d2 R10: ffffffff863f9e97 R11: ffffffff81520ac7 R12: 000000000003a6cc R13: ffff888032179658 R14: 0000000000000001 R15: 0000000000000080 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c001652008 CR3: 000000000e496000 CR4: 0000000000350ef0 Call Trace: trace_irq_enable.constprop.0+0x2d/0x110 trace_hardirqs_on+0x26/0x40 _raw_spin_unlock_irqrestore+0x2c/0x50 skb_dequeue+0x129/0x180 ieee80211_iface_work+0x68e/0xe40 cfg80211_wiphy_work+0x340/0x470 process_one_work+0x8ee/0x1a10 worker_thread+0x674/0xe70 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= loop1: detected capacity change from 0 to 1024 audit: type=1400 audit(1732725608.601:10): avc: denied { module_load } for pid=21190 comm="syz-executor.6" path="/sys/kernel/notes" dev="sysfs" ino=185 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:sysfs_t:s0 tclass=system permissive=1 tmpfs: Bad value for 'mpol' EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir199320864/syzkaller.o9cBxl/19/file0 supports timestamps until 2038-01-19 (0x7fffffff) tmpfs: Bad value for 'mpol' EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop1: detected capacity change from 0 to 1024 tmpfs: Bad value for 'mpol' EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir199320864/syzkaller.o9cBxl/20/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop1: detected capacity change from 0 to 1024 tmpfs: Bad value for 'mpol' EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir199320864/syzkaller.o9cBxl/21/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop1: detected capacity change from 0 to 1024 tmpfs: Bad value for 'mpol' EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir199320864/syzkaller.o9cBxl/22/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 76 18 a9 fc callq 0xfca91885 f: 48 89 ef mov %rbp,%rdi 12: e8 4e 8b a9 fc callq 0xfca98b65 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 54 ea d2 fc callq 0xfcd2ea75 21: fb sti 22: 65 ff 0d 44 8c 7c 7b decl %gs:0x7b7c8c44(%rip) # 0x7b7c8c6d * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 93 1e 00 00 jmpq 0x1ec5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 87 1e 00 00 jmpq 0x1ec5 3e: 0f .byte 0xf